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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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M16C/29 датащи(PDF) 72 Page - Renesas Technology Corp |
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M16C/29 датащи(HTML) 72 Page - Renesas Technology Corp |
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72 / 499 page  7. Clock Generation Circuit page 48 8 5 4 f o 7 0 0 2 , 0 3 .r a M 2 1 . 1 . v e R 2 1 1 0 - 1 0 1 0 B 9 0 J E R p u o r G 9 2 / C 6 1 M Figure 7.1 Clock Generation Circuit Phase comparator Charge pump Voltage control oscillator (VCO) PLL clock Main clock 1/2 Programmable counter Internal low- pass filter PLL frequency synthesizer Pulse generation circuit for clock edge detection and charge, discharge control Charge, discharge circuit Reset generating circuit Oscillation stop, re-oscillation detection interrupt generating circuit Main clock Oscillation stop detection reset CM27=0 CM21 switch signal Oscillation stop, re-oscillation detection signal Oscillation stop, re-oscillation detection circuit CM27=1 1/2 1/2 1/2 ROCR3, ROCR2=112 On-chip oscillator clock 1/8 1/4 1/2 ROCR3, ROCR2=102 ROCR3, ROCR2=012 ROCR1, ROCR0=002 f1(ROC) f2(ROC) f3(ROC) ROCR1,ROCR0=012 ROCR1, ROCR0=112 Variable On-chip Oscillator Variable on-chip oscillator fC32 1/32 Main clock generating circuit fC CM02 CM04 CM10=1(stop mode) Q S R WAIT instruction CM05 Q S R NMI Interrupt request level judgment output RESET Software reset fC CPU clock CM07=0 CM07=1 e a d 1/2 1/2 1/2 1/2 CM06=0 CM17, CM16=002 CM06=0 CM17, CM16=012 CM06=0 CM17, CM16=102 CM06=1 CM06=0 CM17, CM16=112 d a Details of divider Sub-clock generating circuit XCIN XCOUT XOUT XIN f8 f32 c b b 1/2 c f32SIO f8SIO fAD f1 e e 1/2 1/4 1/8 1/16 1/32 PCLK0=1 PLL frequency synthesizer 0 1 CM21=1 CM11 CM21=0 PLL clock Sub-clock On-chip oscillator clock PCLK0=0 f2 f1SIO PCLK1=1 PCLK1=0 f2SIO Main clock Oscillation stop, re- oscillation detection circuit D4INT clock BCLK CLKOUT I/O ports PCLK5=0,CM01-CM00=002 PCLK5=0,CM01-CM00=012 PCLK5=1, CM01-CM00=002 PCLK5=0, CM01-CM00=102 PCLK5=0, CM01-CM00=112 CAN module system clock divider fCAN CCLK2-CCLK0=0002 CCLK2-CCLK0=0012 CCLK2-CCLK0=0102 CCLK2-CCLK0=0112 CCLK2-CCLK0=1002 CM00, CM01, CM02, CM04, CM05, CM06, CM07: Bits in the CM0 register CM10, CM11, CM16, CM17: Bits in the CM1 register PCLK0, PCLK1, PCLK5: Bits in the PCLKR register CM21, CM27: Bits in the CM2 register CM21 |
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